// Copyright (c) 2004-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.Data.Common;
#if !CF
using System.Runtime.Serialization;
#endif

namespace MySql.Data.MySqlClient
{
	/// <summary>
	/// The exception that is thrown when MySQL returns an error. This class cannot be inherited.
	/// </summary>
	/// <include file='docs/MySqlException.xml' path='MyDocs/MyMembers[@name="Class"]/*'/>
#if !CF
	[Serializable]
#endif
	public sealed class MySqlException : DbException
	{
		private int errorCode;
		private bool isFatal;

		internal MySqlException() 
		{
		}

		internal MySqlException(string msg) : base(msg)
		{
		}

		internal MySqlException(string msg, Exception ex) : base(msg, ex)
		{
		}

		internal MySqlException(string msg, bool isFatal, Exception inner) : base (msg, inner)
		{
			this.isFatal = isFatal;
		}

        internal MySqlException(string msg, int errno, Exception inner)
            : this(msg, inner)
        {
            errorCode = errno;
#if !CF
            Data.Add("Server Error Code", errno);
#endif
        }

        internal MySqlException(string msg, int errno)
            : this(msg, errno, null)
        {
        }

#if !CF
		private MySqlException(SerializationInfo info, StreamingContext context) : base(info, context)
		{
		}
#endif

		/// <summary>
		/// Gets a number that identifies the type of error.
		/// </summary>
		public int Number 
		{
			get { return errorCode; } 
		}

		/// <summary>
		/// True if this exception was fatal and cause the closing of the connection, false otherwise.
		/// </summary>
		internal bool IsFatal 
		{
			get { return isFatal; }
		}

        internal bool IsQueryAborted
        {
            get
            {
                return (errorCode == (int)MySqlErrorCode.QueryInterrupted ||
                    errorCode == (int)MySqlErrorCode.FileSortAborted);
            }
        }
	}
}
